CN204849043U - Pure hydrogen generator of superelevation - Google Patents
Pure hydrogen generator of superelevation Download PDFInfo
- Publication number
- CN204849043U CN204849043U CN201420768796.0U CN201420768796U CN204849043U CN 204849043 U CN204849043 U CN 204849043U CN 201420768796 U CN201420768796 U CN 201420768796U CN 204849043 U CN204849043 U CN 204849043U
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- China
- Prior art keywords
- hydrogen
- valve
- outlet
- superelevation
- pure hydrogen
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 118
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 118
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 113
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 81
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 41
- 239000012528 membrane Substances 0.000 claims abstract description 20
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 16
- 239000008151 electrolyte solution Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 238000000746 purification Methods 0.000 abstract description 12
- 150000002431 hydrogen Chemical class 0.000 abstract description 6
- 238000001035 drying Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model relates to a pure hydrogen generator of superelevation is one kind and collects water electrolysis hydrogen, membrane purification in the instrument of an organic whole, and hydrogen purity >= 99.9999% (the superelevation is pure) can be realized producing by this instrument. Pure hydrogen generator of superelevation comprises hydrogen manufacturing and purification two parts, obtains thick hydrogen, the pure hydrogen of acquisition superelevation behind drying, palladium membrane purification through water electrolysis hydrogen. This pure hydrogen generator of superelevation comprises electrolysis trough, vapour and liquid separator, desicator, accuse pressure instrument, heat exchanger, palladium membrane subassembly, manometer, heater, vacuum pump, bi -pass ball valve, tee bend ball valve, check valve and micro -adjustable valve. This pure hydrogen generator of superelevation can realize that the outage is reported to the police, low temperature is reported to the police and function such as vacuum protection, have safe and reliable, integrated level high, take up an area of for a short time and characteristics such as convenient operation.
Description
Technical field
Ultra-pure hydrogen generator that the utility model relates to is a kind of instrument integrating water electrolysis hydrogen production, palladium film purifying, and this instrument can realize exporting ultra-pure hydrogen in hydrogen supply occasion long-time continuous, avoids the loaded down with trivial details and dangerous of gas transport, reduces production cost.Ultra-pure hydrogen can be provided for industries such as photovoltaic, semi-conductor, chromatograms.
Background technology
The utility model relates to a kind of ultra-pure hydrogen generator integrating water electrolysis hydrogen production and palladium film purifying, and hydrogen brine electrolysis can produced obtains the hydrogen producing hydrogen purity >=99.9999% (ultra-pure) after palladium film purifying.
Ultra-pure hydrogen is widely used in the industries such as photovoltaic, fuel cell, semi-conductor and LED manufacture.The production method of hydrogen mainly contains preparing hydrogen by methanol vapour transformation, water electrolysis hydrogen production, hydrocarbon oxidation reformation hydrogen production and other hydrogenous material decomposing hydrogen-production.Wherein water electrolysis hydrogen production efficiency is high, technical maturity, and equipment is simply pollution-free, and its hydrogen purity produced is higher, is applicable to very much on-the-spot hydrogen manufacturing and small-sized needs hydrogen occasion.
Water electrolysis hydrogen production is made up of container for storing liquid, electrolyzer, gas-liquid separator and moisture eliminator.Electrolyzer thick hydrogen out, remove part water of condensation through gas-liquid separator, water of condensation reenters container for storing liquid, and hydrogen is output after drying process then.Water electrolysis hydrogen production can be divided into alkali lye and pure water hydrogen manufacturing two class according to electrolytic solution difference.Traditional alkali lye hydrogen making device electrolytic solution used is NaOH or KOH solution, and under direct current effect, negative electrode and anode produce H respectively
2and O
2.And pure water hydrogen making device at electrolyzer built with SPE ionic membrane, energising after H
2o is in anode dissolution: H
2o=H
++ OH
-, OH
-o is generated immediately at anode ejected electron
2, discharge from anolyte compartment, H
+under the effect of electrical forces, by SPE ionic membrane, arrive negative electrode and obtain electronics formation H
2.The hydrogen purity of water electrolysis hydrogen production output generally can reach 99.95%, and more than 99.9999% is all reached for some rigorous analysis equipment or some special hydrogen purities of hydrogen application requirements that needs, the hydrogen that brine electrolysis is produced can not meet this requirement, and therefore hydrogen purification just seems particularly necessary.
In recent years, along with the widespread use of ultra-pure hydrogen, the isolation and purification of hydrogen obtains more deep research.The separation method of hydrogen has embrane method, pressure-variable adsorption (PSA) method and Deep Cooling Method etc., embrane method owing to having less investment, energy consumption is low, efficiency is high and the advantage such as easy to operate has become the focus of research, this method is particularly useful for small-sized system for producing hydrogen.Wherein because having, hydrogen permeability is strong, selectivity advantages of higher and receiving much concern for palladium and alloy film thereof, and hydrogen is easy to through palladium film, other gas then impermeable.The saturating hydrogen process of palladium film comprises 5 steps: (1) hydrogen molecule is at palladium film chemical absorption of surface and dissociate; (2) Surface Hydrogen atom is dissolved in palladium film; (3) hydrogen atom is diffused into opposite side from side in palladium film; (4) hydrogen atom is separated out, in chemical adsorption states from palladium film; (5) Surface Hydrogen atomize synthesis hydrogen molecule and desorption [Huang Yan, Li Xue, Fan Yiqun, Xu Nanping. the principle of hydrogen permeation palladium-based composite membrane, preparation and characterization. chemical progress, 2006,18 (2-3): 230-238.].The hydrogen permeate flux of palladium film affects by the hydrogen dividing potential drop of film both sides, and hydrogen permeates from high side to low side, and pressure difference is larger, and permeation flux is higher.When palladium film works below 300 DEG C, easily there is hydrogen embrittlement [PaglieriSN in contact hydrogen, FooKY, WayJD.Innovationsinpalladiummembraneresearch [J] .SepPurifMethods, 2002,31 (1): 1-169.], therefore palladium film is in heating and cooling process, must ensure that film is in inert atmosphere or vacuum state.
The utility model provides a kind of ultra-pure hydrogen generator, is combined by water electrolysis hydrogen production, taken into full account the working conditions of palladium film with palladium film purifying, invent a kind of safe and reliable, take up an area little, that integrated level is high and easy to operate ultra-pure hydrogen generator.
Utility model content
Ultra-pure hydrogen generator that the utility model relates to is a kind of device integrating water electrolysis hydrogen production, palladium film purifying, and this device can realize the ultra-pure hydrogen of continuous output at hydrogen supply scene, avoid the loaded down with trivial details and dangerous of gas transport, reduces production cost.Ultra-pure hydrogen can be provided for industries such as photovoltaic, semi-conductor, chromatograms.
The utility model adopts following technical scheme:
Ultra-pure hydrogen generator is a kind of small-sized device integrating water electrolysis hydrogen production, purifying.This ultra-pure hydrogen generator is made up of electrolyzer, moisture eliminator, pressure control instrument, interchanger, palladium membrane component, tensimeter, well heater, vacuum pump, two-way valve, tee ball valve, check valve and micrometering valve.
In Hydrogen Unit, electrolyzer is communicated with container for storing liquid, and electrolytic solution enters electrolyzer from container for storing liquid, and under outside galvanic current effect, water electrolysis produces hydrogen, and hydrogen enters drying tube after gas-liquid separator, and the hydrogen exported by drying tube enters purification unit.Idiographic flow is: electrolytic solution enters electrolyzer (1), and the impurity gas one that electrolysis produces is discharged, and the product hydrogen outlet of electrolyzer (1) is connected with gas-liquid separator (2); The hydrogen outlet of gas-liquid separator (2) is connected with the air inlet of moisture eliminator (3), and moisture eliminator (3) air outlet is connected with pressure transmitter (4), two-way valve (5) successively.
In purification unit, palladium membrane component connects three pipelines, and be respectively hydrogen inlet, the outlet of pure hydrogen and offgas outlet, offgas outlet connects micrometering valve (10) and vacuum pump respectively.All with vacuum pump, system is found time before and after the work of palladium film, prevent the hydrogen when low temperature from contacting with palladium film and hydrogen embrittlement occurs, or palladium film oxidized inactivation during high temperature.Under evacuated, electric heater is warming up to working temperature, dry hydrogen enters palladium membrane component after Mini-type heat exchanger and exit gas heat exchange, use to outlet output after palladium film purifying, tail gas is quantitatively discharged afterwards by micrometering valve, evacuated cooling after end-of-job.Idiographic flow is: in Hydrogen Unit, the hydrogen opening of two-way valve (5) is connected with interchanger (6), membrane module air intake successively, and membrane module is placed in heater chamber; Membrane module tail gas is connected with tee ball valve (12), tee ball valve (12) tail gas end is connected with micrometering valve (10), tee ball valve (12) vacuum pump end is connected with two-way valve (13) with vacuum pump (11) respectively by threeway, and micrometering valve (10) and vacuum pump (11) outlet connect impurity gas two outlet; The pure hydrogen outlet of membrane module is connected with interchanger (6), tensimeter (9) successively, two-way valve (13) outlet is connected with check valve (14) with tensimeter (9) exit end, the ultra-pure hydrogen outlet of check valve (14) outlet termination.
Beneficial effect
Water electrolysis hydrogen production and palladium film purification system are integrated by ultra-pure hydrogen generator that the utility model relates to, directly can obtain the ultra-pure hydrogen of purity more than 99.9999%, this device can the ultra-pure hydrogen of continuous production at the scene, avoid the loaded down with trivial details and dangerous of gas transport, reduce production cost.Ultra-pure hydrogen can be provided for industries such as photovoltaic, semi-conductor, chromatograms.
Ultra-pure hydrogen generator that the utility model relates to is equipped with vacuum extractor, finds time before and after the work of palladium film to palladium membrane component, prevents palladium film hydrogen crisp and oxidized, ensures the normal work of palladium film.
Ultra-pure hydrogen generator that the utility model relates to has that structure is simple, reasonable in design, integrated level high, fully takes into account the performance characteristics of palladium film, maintains palladium film properties.
The utility model can realize the functions such as power alarm, low-temperature warning and vacuum protection, have safe and reliable, integrated level is high, it is little to take up an area and the advantage such as easy to operate.
Accompanying drawing explanation
Accompanying drawing is the process flow sheet of ultra-pure hydrogen generator, wherein 1-electrolyzer; 2-gas-liquid separator; 3-moisture eliminator, 4,9-tensimeter; 5,13-two-way valve; 6-interchanger; 7-palladium membrane component; 8-well heater; 10-micrometering valve; 11-vacuum pump; 12-tee ball valve; 14-check valve.
Embodiment
Below in conjunction with accompanying drawing and specific examples, the present invention will be further described.It should be noted that lifted example, its effect just further illustrates technical characteristic of the present utility model, instead of limits the utility model.
Embodiment 1
Valve involved in this example selects two-way valve and tee ball valve, and involved electrolyzer selects hydrogen output 500ml/min buck electrolyzer.Concrete operation step is as follows:
Preparation work before 1 start: add appropriate electrolytic solution, arranging electrolyzer outlet hydrogen pressure by pressure control instrument is 400kPa, regulates the Mini-adjustable valve flow of offgas outlet.
System is adjusted to evacuated by 2: shut-off valve (5), valve (12) is adjusted to offgas outlet and is communicated with vacuum pump, opens valve (13).Now, whole pipeline shows as hydrogen manufacturing part and purification part disconnects, and in palladium film, outside is connected to vacuum pump simultaneously.Then open vacuum pump, top hole pressure meter reading maintains 3min after reaching-100kPa, first shut-off valve (12), valve (13), then closes vacuum pump.
3 heater, after reaching working temperature, electric furnace enters insulating process.Then system is adjusted to working order: open valve (5), valve (12) is adjusted to offgas outlet and is connected with Mini-adjustable valve.Now, whole pipeline shows as hydrogen manufacturing part and is communicated with purification part, receives offgas outlet outside palladium film by Mini-adjustable valve, connects ultra-pure hydrogen outlet inside film.Open electrolyzer and start hydrogen manufacturing, ultra-pure hydrogen pressure of output shows by producing hydrogen pressure gauge (9).
After 4 end-of-jobs, first close electrolyzer switch, stop producing hydrogen.Then system is adjusted to evacuated, open vacuum pump, top hole pressure meter reading maintains 3min after reaching-100kPa, closes vacuum pump.Stop heating by electric cooker, make palladium film Temperature fall under evacuated.
Embodiment 2
Valve involved in this example selects magnetic valve, and adopt Controlling System to control valve, involved electrolyzer selects hydrogen output 600ml/minSPE film pure water electrolyzer.Concrete operation step is as follows:
Preparation work before 1 start: add appropriate pure water, arranging electrolyzer outlet hydrogen pressure by pressure control instrument is 200kPa, is 10ml/min by tail gas micrometering valve flow set.
2 Controlling System start the pattern of finding time, and valve (5) cuts out, and valve (12) is communicated with vacuum pump for offgas outlet, valve (13) unlatching.Now, whole pipeline shows as hydrogen manufacturing part and purification part disconnects, and in palladium film, outside is connected to vacuum pump simultaneously.2s final vacuum pump startup, top hole pressure meter reading maintains 3min after reaching-100kPa.Valve (12), valve (13) are closed afterwards, and 1s final vacuum pump cuts out.
3 heating modes are opened, and enter keeping warm mode when furnace temperature reaches 350 DEG C after 100min.
4 Controlling System open working ordeies: valve (5) is opened, and valve (12) is connected with Mini-adjustable valve for offgas outlet.Now, whole pipeline shows as hydrogen manufacturing part and is communicated with purification part, receives offgas outlet outside palladium film by Mini-adjustable valve, connects ultra-pure hydrogen outlet inside film.Electric tank working pattern is opened, and ultra-pure hydrogen pressure of output shows by producing hydrogen pressure gauge (9), if need more to change products hydrogen pressure, by changing pressure control instrument settings, until output hydrogen pressure reaches service requirements.
After 5 end-of-jobs, cooling state is opened: electrolyzer is closed, valve (5) cuts out, and stops producing hydrogen.2s final vacuum pump is opened, valve (12) is tail gas and vacuum pump attached state, and valve (13) is opened, and top hole pressure meter reading maintains 3min after reaching-100kPa, and pump cuts out.Well heater cuts out, and palladium film is at evacuated borehole cooling.
Embodiment 3
Valve involved in this example selects two-way valve and tee ball valve, and involved electrolyzer selects hydrogen output 500ml/min buck electrolyzer.Under object illustrates off-position, how instrument operates, and concrete operation step is as follows:
During off-position, instrument carries alarm work, shut-off valve (5), and hydrogen manufacturing and purifying disconnect.Increase micrometering valve flow, valve (13) is opened, and as early as possible by system decompression, shut-off valve (12) and valve (13) after for some time, close instrument power source.
Claims (1)
1. a ultra-pure hydrogen generator, is characterized in that: this ultra-pure hydrogen generator is by electrolyzer, gas-liquid separator, moisture eliminator, pressure control instrument, interchanger, palladium membrane component, tensimeter, well heater, vacuum pump, two-way valve, tee ball valve, check valve and micrometering valve composition, electrolytic solution enters electrolyzer (1), the impurity gas one that electrolysis produces is discharged, the product hydrogen outlet of electrolyzer (1) is connected with gas-liquid separator (2), the hydrogen outlet of gas-liquid separator (2) is connected with the air inlet of moisture eliminator (3), moisture eliminator (3) air outlet successively with tensimeter (4), two-way valve (5) be connected, two-way valve (5) outlet successively with interchanger (6), membrane module air intake is connected, membrane module is placed in heater chamber, membrane module tail gas is connected with tee ball valve (12), tee ball valve (12) tail gas end is connected with micrometering valve (10), tee ball valve (12) vacuum pump end is connected with two-way valve (13) with vacuum pump (11) respectively by threeway, micrometering valve (10) and vacuum pump (11) outlet connect impurity gas two outlet, the outlet of membrane module pure hydrogen successively with interchanger (6), tensimeter (9) is connected, and two-way valve (13) outlet is connected with check valve (14) with tensimeter (9) exit end, the ultra-pure hydrogen outlet of check valve (14) outlet termination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768796.0U CN204849043U (en) | 2014-12-04 | 2014-12-04 | Pure hydrogen generator of superelevation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768796.0U CN204849043U (en) | 2014-12-04 | 2014-12-04 | Pure hydrogen generator of superelevation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204849043U true CN204849043U (en) | 2015-12-09 |
Family
ID=54739611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420768796.0U Active CN204849043U (en) | 2014-12-04 | 2014-12-04 | Pure hydrogen generator of superelevation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204849043U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109234753A (en) * | 2018-09-06 | 2019-01-18 | 北京铂陆氢能科技开发有限公司 | A kind of electricity generation system of solar energy, wind energy and Hydrogen Energy complementation |
| CN111417745A (en) * | 2017-11-24 | 2020-07-14 | 西门子股份公司 | Electrolysis unit and electrolyzer |
-
2014
- 2014-12-04 CN CN201420768796.0U patent/CN204849043U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111417745A (en) * | 2017-11-24 | 2020-07-14 | 西门子股份公司 | Electrolysis unit and electrolyzer |
| US11584998B2 (en) | 2017-11-24 | 2023-02-21 | Siemens Energy Global GmbH & Co. KG | Electrolysis unit and electrolyser |
| CN109234753A (en) * | 2018-09-06 | 2019-01-18 | 北京铂陆氢能科技开发有限公司 | A kind of electricity generation system of solar energy, wind energy and Hydrogen Energy complementation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171221 Address after: Gulou District of Nanjing City, Jiangsu province 210009 new model road No. 5 building A221 branch Patentee after: GAOQ FUNCTIONAL MATERIALS CO., LTD. Address before: 210009 Gulou District, Jiangsu, Nanjing new model road, No. 5 Patentee before: Nanjing University of Technology |